289563272 has 8 divisors (see below), whose sum is σ = 542931150. Its totient is φ = 144781632.

The previous prime is 289563269. The next prime is 289563277. The reversal of 289563272 is 272365982.

289563272 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 265494436 + 24068836 = 16294^2 + 4906^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (289563277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18097697 + ... + 18097712.

Almost surely, 2^289563272 is an apocalyptic number.

It is an amenable number.

289563272 is a deficient number, since it is larger than the sum of its proper divisors (253367878).

289563272 is a wasteful number, since it uses less digits than its factorization.

289563272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36195415 (or 36195411 counting only the distinct ones).

The product of its digits is 362880, while the sum is 44.

The square root of 289563272 is about 17016.5587590441. The cubic root of 289563272 is about 661.5781578792.

The spelling of 289563272 in words is "two hundred eighty-nine million, five hundred sixty-three thousand, two hundred seventy-two".